Lipstick



FIG. 1 is a left side elevational view of a lipstick showing my new design;

FIG. 2 is a rear elevational view;

FIG. 3 is a front elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view; and

FIG. 7 is a left side elevational view of the lipstick protruding from a container.

The broken line showing of a container in FIG. 7 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a lipstick, as shown and described. 